Home / 2,835.95-3,912.99-1,656.48

Finding the Fourth Proportional to 2,835.95, 3,912.99 and 1,656.48

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Solution

The fourth proportional to 2,835.95, 3,912.99 and 1,656.48 is: 2,285.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.95 : 3,912.99 = 1,656.48 : x
  2. Step 2: Convert to fraction form
    2,835.95/3,912.99 = 1,656.48/x
  3. Step 3: Cross multiply
    2,835.95x = 3,912.99 × 1,656.48
  4. Step 4: Simplify right side
    2,835.95x = 6,481,789.68
  5. Step 5: Solve for x
    x = 6,481,789.68/2,835.95
  6. Step 6: Final answer
    x = 2,285.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.